Google Mobile Banner - 300x100 Ad Size
300×100px · 3:1
The recommended size for Google Mobile Banner - 300x100 ads is 300×100px (ratio 3:1). with a maximum file size of 10 MB.
Placement spec
| Recommended size | 300×100px |
|---|---|
| Aspect ratio | 3:1 |
| Max file size | 10 MB |
Frequently asked questions
What is the correct size for Google Mobile Banner - 300x100 ads?
The recommended size is 300×100px with a 3:1 aspect ratio.
What are the file format and size limits?
with a maximum file size of 10 MB.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 300×100px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.